5.4.1-1

Mains water supply:

Unit: % Sub-Element: 5.4.1 - 1 Mains water supply
Component Information
Code:
5.4.1-1
Sequence:
1
Unit:
%
Sub-Element:
5.4.1 - 1 Mains water supply
Description:

Mains water supply:

Details to State:

details, including the number of draw-off points (nr), to be stated.

Component Statistics
6
Measurement Rules
10
Included Items
6
Excluded Items
Measurement Rules (6)
C1 1

Where components are to be enumerated, the number of components is to be stated.

C2 2

The area measured is the total GIFA of the building.

C3 3

Installations for residential units, hotel rooms, student accommodation units, etc. may be enumerated (nr). The type of residential unit or room, and size (by number of bedrooms) of unit, is to be stated.

C4 4

Work to existing buildings is to be described and identified separately.

C5 5

Where the contractor is only responsible for designing specific elements and/or components of the building project (i.e. not the entire building project), contractor-designed work is to be described and identified separately.

C6 6

The percentage additions for testing and commissioning are to be applied to the total cost of the items comprising the sub-element. A single combined percentage addition can be applied to cover the costs of both testing and commissioning.

Included Items (10)
1.

Pipelines and pipeline fittings.

2.

Valves.

3.

Internal water meters.

4.

Rising main to storage tanks.

5.

Water meters, where not provided as part of water mains supply installation by the statutory undertaker.

6.

Trace heating.

7.

Thermal insulation.

8.

Sundry items.

9.

Testing and commissioning.

10.

Where works are to be carried out by a subcontractor, the subcontractor’s preliminaries, design fees, risk allowance, overheads and profit, with allowance for these to be made within unit rate applied to element or component.

Excluded Items (6)
1. Ref: 8.7.1

Piped water supply systems bringing water from statutory undertaker’s water main to point of entry into building (included in sub-element 8.7.1).

2. Ref: 8.7.1

Connections to statutory undertaker’s water main (included in sub-element 8.7.1).

3. Ref: 5.4.2

Water treatment systems (included in sub-element 5.4.2).

4. Ref: 5.4.2

Storage tanks (included in sub-element 5.4.2).

5. Ref: 8.7.1

Water meters, where provided as part of water mains supply by statutory undertaker (included in sub-element 8.7.1).

6. Ref: 5.14

Builder’s work in connection with services (included in element 5.14).

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